Fire Nation Archers, and Mana Echoes

Prerequisites

• Fire Nation Archers on the battlefield
• Mana Echoes on the battlefield
• available

Steps

1. Activate Fire Nation Archers by paying , dealing 2 damage to each opponent and creating a 2/2 Soldier creature token
2. When the Soldier enters, Mana Echoes triggers
3. Holding priority, activate Fire Nation Archers by paying , dealing 2 damage to each opponent and creating a 2/2 Soldier creature token
4. When the Soldier enters, Mana Echoes triggers
5. Resolve the Mana Echoes triggers from steps 2 and 4, adding for each Soldier you control
6. Activate Fire Nation Archers by paying , dealing 2 damage to each opponent and creating a 2/2 Soldier creature token
7. When the Soldier enters, Mana Echoes triggers, adding for each Soldier you control
8. Repeat from step 6

Results

• Infinite ETB
• Infinite colorless mana
• Infinite damage
• Infinite creature tokens